Home / 25,675.72-35,421.94-15,602.56

Finding the Fourth Proportional to 25,675.72, 35,421.94 and 15,602.56

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Solution

The fourth proportional to 25,675.72, 35,421.94 and 15,602.56 is: 21,525.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,675.72 : 35,421.94 = 15,602.56 : x
  2. Step 2: Convert to fraction form
    25,675.72/35,421.94 = 15,602.56/x
  3. Step 3: Cross multiply
    25,675.72x = 35,421.94 × 15,602.56
  4. Step 4: Simplify right side
    25,675.72x = 552,672,944.17
  5. Step 5: Solve for x
    x = 552,672,944.17/25,675.72
  6. Step 6: Final answer
    x = 21,525.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.